diff options
Diffstat (limited to 'Documentation/userspace-api/media/v4l/vidioc-querycap.rst')
| -rw-r--r-- | Documentation/userspace-api/media/v4l/vidioc-querycap.rst | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/Documentation/userspace-api/media/v4l/vidioc-querycap.rst b/Documentation/userspace-api/media/v4l/vidioc-querycap.rst index 80b7b79561f5..b512b1fbf9a3 100644 --- a/Documentation/userspace-api/media/v4l/vidioc-querycap.rst +++ b/Documentation/userspace-api/media/v4l/vidioc-querycap.rst @@ -1,4 +1,5 @@ .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later +.. c:namespace:: V4L .. _VIDIOC_QUERYCAP: @@ -11,24 +12,22 @@ Name VIDIOC_QUERYCAP - Query device capabilities - Synopsis ======== -.. c:function:: int ioctl( int fd, VIDIOC_QUERYCAP, struct v4l2_capability *argp ) - :name: VIDIOC_QUERYCAP +.. c:macro:: VIDIOC_QUERYCAP +``int ioctl(int fd, VIDIOC_QUERYCAP, struct v4l2_capability *argp)`` Arguments ========= ``fd`` - File descriptor returned by :ref:`open() <func-open>`. + File descriptor returned by :c:func:`open()`. ``argp`` Pointer to struct :c:type:`v4l2_capability`. - Description =========== @@ -39,7 +38,6 @@ pointer to a struct :c:type:`v4l2_capability` which is filled by the driver. When the driver is not compatible with this specification the ioctl returns an ``EINVAL`` error code. - .. tabularcolumns:: |p{1.5cm}|p{2.5cm}|p{13cm}| .. c:type:: v4l2_capability @@ -132,7 +130,6 @@ specification the ioctl returns an ``EINVAL`` error code. zero. - .. tabularcolumns:: |p{6.1cm}|p{2.2cm}|p{8.7cm}| .. _device-capabilities: @@ -243,8 +240,8 @@ specification the ioctl returns an ``EINVAL`` error code. - The device supports the :ref:`metadata` capture interface. * - ``V4L2_CAP_READWRITE`` - 0x01000000 - - The device supports the :ref:`read() <rw>` and/or - :ref:`write() <rw>` I/O methods. + - The device supports the :c:func:`read()` and/or + :c:func:`write()` I/O methods. * - ``V4L2_CAP_ASYNCIO`` - 0x02000000 - The device supports the :ref:`asynchronous <async>` I/O methods. @@ -269,7 +266,6 @@ specification the ioctl returns an ``EINVAL`` error code. only appear in the ``capabilities`` field and never in the ``device_caps`` field. - Return Value ============ |